Go Back   TestMagic Forums > Test preparation > GMAT > GMAT Math > GMAT Problem Solving
Register Forum Rules FAQ Members List Calendar Search Today's Posts Mark Forums Read

Reply
 
LinkBack Thread Tools Search this Thread Display Modes
Old 2009 May 9th, 02:59 PM   #1 (permalink)
Baby Steps Count !
 
alphaPARTICLE's Avatar
 
Join Date: May 2009
Posts: 211
alphaPARTICLE has disabled reputation
mean mode median

S is a set containing 9 different numbers. T is a set containing 8 different numbers, all of which are members of S. Which of the following statements cannot be true/

(A) The mean of S is equal to the mean of T.
(B) The median of S is equal to the median of T.
(C) The range of S is equal to the range of T.
(D) The mean of S is greater than the mean of T.
(E) The range of S is less than the range of T.
alphaPARTICLE is offline  
Digg this Post!Add Post to del.icio.usBookmark Post in TechnoratiFurl this Post!Google Bookmark this Post!Reddit!
Reply With Quote
Old 2009 May 9th, 04:58 PM   #2 (permalink)
TestMagic Guru
 
12rk34's Avatar
 
Join Date: Jun 2008
Posts: 1,566
12rk34 is on the way!
Heart

Range of S can not be less than that of T.
Hence E.
12rk34 is offline  
Digg this Post!Add Post to del.icio.usBookmark Post in TechnoratiFurl this Post!Google Bookmark this Post!Reddit!
Reply With Quote
Old 2009 May 9th, 05:21 PM   #3 (permalink)
TestMagic Guru
 
genius_in_the_gene's Avatar
 
Join Date: May 2006
Location: USA
Posts: 1,178
genius_in_the_gene is on the way!
IMO E

The range of S can be equal to that of T but can never be less than T
_ _ _ _ SIG _ _ _ _
genius_in_the_gene is offline  
Digg this Post!Add Post to del.icio.usBookmark Post in TechnoratiFurl this Post!Google Bookmark this Post!Reddit!
Reply With Quote
Old 2009 June 26th, 02:59 AM   #4 (permalink)
Within my grasp!
 
Join Date: Jan 2007
Posts: 409
bizwizashish just joined TestMagic.
IMO E

Since T is subset of S.. it's range can't be greater than that of T
bizwizashish is offline  
Digg this Post!Add Post to del.icio.usBookmark Post in TechnoratiFurl this Post!Google Bookmark this Post!Reddit!
Reply With Quote
Old 2009 June 26th, 11:08 AM   #5 (permalink)
Done with GMAT - 700
 
abhishek_mumbai's Avatar
 
Join Date: Apr 2009
Location: Pune, India
Posts: 1,182
abhishek_mumbai just joined TestMagic.
+1 for E..

range cannot be less.. it can be either same(if doesn't appearat corners) or bigger(if at corners)
abhishek_mumbai is offline  
Digg this Post!Add Post to del.icio.usBookmark Post in TechnoratiFurl this Post!Google Bookmark this Post!Reddit!
Reply With Quote
Old 2009 July 4th, 03:08 PM   #6 (permalink)
Eager!
 
Join Date: Jun 2009
Location: INDIA
Posts: 84
KrazyGMAT just joined TestMagic.
could u explain how....? am confused...
say in S(with 9 numbers) min number is 1 and max number is 65..range is 64...in R(with 8 numbers) .... min number is 1 and max num is 68....then...i mean its just mentioned that 1 set has 9 numbers and s has 8...how does it relate to range...
KrazyGMAT is offline  
Digg this Post!Add Post to del.icio.usBookmark Post in TechnoratiFurl this Post!Google Bookmark this Post!Reddit!
Reply With Quote
Old 2009 July 4th, 04:22 PM   #7 (permalink)
first attempt:timed out
 
sh_vivek's Avatar
 
Join Date: Jul 2008
Posts: 842
sh_vivek just joined TestMagic.
Quote:
Originally Posted by KrazyGMAT View Post
could u explain how....? am confused...
say in S(with 9 numbers) min number is 1 and max number is 65..range is 64...in R(with 8 numbers) .... min number is 1 and max num is 68....then...i mean its just mentioned that 1 set has 9 numbers and s has 8...how does it relate to range...
If R is a subset of S then the value of maximum element of R can not be greater than 64. So how you got 68??
_ _ _ _ SIG _ _ _ _
When you want something, all the universe conspires in helping you to achieve it.
--The Alchemist

sh_vivek is offline  
Digg this Post!Add Post to del.icio.usBookmark Post in TechnoratiFurl this Post!Google Bookmark this Post!Reddit!
Reply With Quote
Old 2009 July 6th, 09:15 PM   #8 (permalink)
Eager!
 
Join Date: Jun 2009
Location: INDIA
Posts: 84
KrazyGMAT just joined TestMagic.
i dint read..."all of which are from S".....my mistake...
KrazyGMAT is offline  
Digg this Post!Add Post to del.icio.usBookmark Post in TechnoratiFurl this Post!Google Bookmark this Post!Reddit!
Reply With Quote
Old 2009 July 6th, 11:55 PM   #9 (permalink)
Within my grasp!
 
MBA2010HereWeGo's Avatar
 
Join Date: Jun 2009
Location: Seattle, WA
Posts: 257
MBA2010HereWeGo just joined TestMagic.
1 more for E
MBA2010HereWeGo is offline  
Digg this Post!Add Post to del.icio.usBookmark Post in TechnoratiFurl this Post!Google Bookmark this Post!Reddit!
Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

What you can do
You cannot post new threads
You cannot post replies
You cannot post attachments
You cannot edit your posts

vB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


All times are GMT. The time now is 04:07 PM.

Contact TestMagic   TestMagic Forums      Archive   Privacy Statement

TestMagic Locations   Legal   Privacy


SEO by vBSEO 3.2.0
Copyright © 2009 TestMagic
Ad Management by RedTyger

Scroll Up